CN215723701U - Energy-saving ventilation system of heating ventilation air conditioner - Google Patents
Energy-saving ventilation system of heating ventilation air conditioner Download PDFInfo
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- CN215723701U CN215723701U CN202121611010.0U CN202121611010U CN215723701U CN 215723701 U CN215723701 U CN 215723701U CN 202121611010 U CN202121611010 U CN 202121611010U CN 215723701 U CN215723701 U CN 215723701U
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Abstract
The utility model discloses an energy-saving ventilation system of a heating ventilation air conditioner, which comprises a ventilation pipe, wherein a thermistor and a heat exchange coil are arranged in the ventilation pipe, solar collectors are arranged at two ends of the heat exchange coil, heating pipes are arranged in the solar collectors, the heat exchange coil is connected with the solar collectors through pipelines, a control switching circuit is also arranged outside the ventilation pipe, and the thermistor and the heating pipes are electrically connected with the control switching circuit, so that the relative stability of the temperature in the ventilation pipe is effectively ensured.
Description
Technical Field
The utility model belongs to the technical field of air conditioners, and particularly relates to an energy-saving ventilation system of a heating ventilation air conditioner.
Background
The heating leads to the air conditioner that the air conditioner has the heating, ventilation and air conditioning function, the heating leads to the temperature and the humidity that the air conditioner can control the air and improves indoor comfort level, current heating leads to the air conditioner and collects heat through solar collector usually, the heat that solar collector gathered carries out the heat transfer with air pipe and ventilates, the temperature in the ventilation pipe has been promoted, can reduce the energy consumption of whole air conditioning unit, but to overcast and rainy day, solar collector's functional failure for the air temperature in the ventilation pipe has great fluctuation.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an energy-saving ventilation system of a heating ventilation air conditioner.
The specific scheme is as follows:
the utility model provides an energy-conserving ventilation system of heating and ventilation air conditioner, includes the ventilation pipe, be provided with thermistor and heat transfer coil pipe in the ventilation pipe, heat transfer coil pipe both ends are provided with solar collector, be provided with the heating pipe in the solar collector, heat transfer coil pipe with solar collector pipe connection, the ventilation pipe still is provided with control switching circuit outward, thermistor and heating pipe all are connected with control switching circuit electricity.
The control switching circuit comprises a voltage comparator, a first voltage acquisition circuit, a second voltage acquisition circuit, an output drive circuit and a power supply circuit, wherein the voltage comparator comprises a positive phase input end, a negative phase input end and a comparison output end, the first voltage acquisition circuit is electrically connected with the negative phase input end, the second voltage acquisition circuit is electrically connected with the positive phase input end, the comparison output end is electrically connected with the output drive circuit, and the output drive circuit, the first voltage acquisition circuit and the second voltage acquisition circuit are also electrically connected with the power supply circuit.
The power supply circuit comprises a solar cell panel and a storage battery, and the solar cell panel is electrically connected with the storage battery.
The first voltage acquisition circuit comprises a first current-limiting resistor and a thermistor, one end of the first current-limiting resistor is electrically connected with the positive electrode of the storage battery, the other end of the first current-limiting resistor is electrically connected with the thermistor, one end of the thermistor is electrically connected with the inverted input end, and the other end of the thermistor is electrically connected with the negative electrode of the storage battery.
The second voltage acquisition circuit comprises a second current-limiting resistor and a voltage stabilizing diode, one end of the second current-limiting resistor is electrically connected with the positive electrode of the storage battery, the other end of the second current-limiting resistor is electrically connected with the voltage stabilizing diode, one end of the voltage stabilizing diode is electrically connected with the positive phase input end, and the other end of the voltage stabilizing diode is electrically connected with the negative electrode of the storage battery.
The output driving circuit comprises a third current-limiting resistor, a fourth current-limiting resistor, a driving triode and a control relay, wherein the driving triode is provided with a base electrode b, a collector electrode c and an emitting electrode e, the base electrode b of the triode is electrically connected with the comparison output end through the third current-limiting resistor, the collector electrode c of the triode is electrically connected with the positive electrode of the storage battery through the fourth current-limiting resistor, and the emitting electrode e of the triode is electrically connected with the negative electrode of the storage battery.
The control relay comprises a relay coil, a normally open relay contact k and a common relay endpoint g, one end of the relay coil is electrically connected with a collector electrode c of the triode, the other end of the relay coil is electrically connected with an emitter electrode e of the triode, the normally open relay contact k is electrically connected with a mains supply, and the common relay endpoint g is electrically connected with the heating pipe.
The solar heat collector comprises a solar heat collecting plate and a water storage tank, the solar heat collecting plate is arranged on the water storage tank, an electric heating pipe is fixed in the water storage tank, and the heat exchange coil is connected with a pipeline of the water storage tank.
The utility model discloses an energy-saving ventilation system of a heating ventilation air conditioner, wherein air in a ventilation pipe exchanges heat with a solar heat collector through a heat exchange coil pipe to achieve the purpose of heating the air, the temperature of the air in the ventilation pipe is reduced in rainy days or when the solar heat collector obtains less solar energy, the resistance value of a thermistor is reduced along with the reduction of the air temperature, so that a comparator is triggered to output a high-level signal to an output driving circuit, the output driving circuit is switched to operate, the heating pipe is powered on to start heating, and when the solar energy function fails, the relative stability of the temperature in the ventilation pipe is effectively ensured.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic diagram of the circuit structure of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. It is obvious that the described embodiments are only a part of the implementations of the present invention, and not all implementations, and all other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without any inventive work are within the scope of the present invention.
As shown in fig. 1, the heating ventilation air conditioning energy-saving ventilation system comprises a ventilation pipe 1, wherein a thermistor 3 and a heat exchange coil 2 are arranged in the ventilation pipe 1, solar heat collectors 6 are arranged at two ends of the heat exchange coil 2, heating pipes 4 are arranged in the solar heat collectors 6, the heat exchange coil 2 is in pipe connection with the solar heat collectors 6, a control switching circuit is further arranged outside the ventilation pipe 1, and the thermistor 3 and the heating pipes 4 are both electrically connected with the control switching circuit.
As shown in fig. 2, the control switching circuit includes a voltage comparator 17, a first voltage collecting circuit 9, a second voltage collecting circuit 12, an output driving circuit and a power circuit, wherein the voltage comparator 17 includes a positive phase input terminal 16, a negative phase input terminal 15 and a comparison output terminal 18, the first voltage collecting circuit 9 is electrically connected to the negative phase input terminal 15, the second voltage collecting circuit 12 is electrically connected to the positive phase input terminal 16, the comparison output terminal 18 is electrically connected to the output driving circuit, and the output driving circuit, the first voltage collecting circuit 9 and the second voltage collecting circuit 12 are further electrically connected to the power circuit.
The power supply circuit comprises a solar cell panel 5 and a storage battery 11, wherein the solar cell panel 5 is electrically connected with the storage battery 11.
The first voltage acquisition circuit 9 comprises a first current-limiting resistor 10 and a thermistor 3, one end of the first current-limiting resistor 10 is electrically connected with the positive electrode of the storage battery 11, the other end of the first current-limiting resistor 10 is electrically connected with the thermistor 3, one end of the thermistor 3 is electrically connected with the inverting input terminal 15, and the other end of the thermistor 3 is electrically connected with the negative electrode of the storage battery 11. In the present embodiment, the resistance of the thermistor 3 decreases with decreasing temperature.
The second voltage acquisition circuit 12 comprises a second current-limiting resistor 13 and a voltage-stabilizing diode 14, one end of the second current-limiting resistor 13 is electrically connected with the positive electrode of the storage battery 11, the other end of the second current-limiting resistor 13 is electrically connected with the voltage-stabilizing diode 14, one end of the voltage-stabilizing diode 14 is electrically connected with the positive-phase input end 16, and the other end of the voltage-stabilizing diode 14 is electrically connected with the negative electrode of the storage battery 11. In this embodiment, the zener diode is stabilized to preferably 3V.
The output driving circuit comprises a third current limiting resistor 19, a fourth current limiting resistor 21, a driving triode 20 and a control relay 23, wherein a base electrode b, a collector electrode c and an emitting electrode e are arranged on the driving triode 20, the base electrode b of the triode is electrically connected with the comparison output end 18 through the third current limiting resistor 19, the collector electrode c of the triode is electrically connected with the positive electrode of the storage battery 11 through the fourth current limiting resistor 21, and the emitting electrode e of the triode is electrically connected with the negative electrode of the storage battery 11.
The control relay 23 comprises a relay coil 22, a relay normally open contact k and a relay common endpoint g, one end of the relay coil 22 is electrically connected with a collector electrode c of the triode, the other end of the relay coil 22 is electrically connected with an emitter electrode e of the triode, the relay normally open contact k is electrically connected with a mains supply, and the relay common endpoint g is electrically connected with the heating pipe 4.
The solar heat collector 6 comprises a solar heat collecting plate 7 and a water storage tank 8, the solar heat collecting plate 7 is arranged on the water storage tank 8, an electric heating pipe 4 is fixed in the water storage tank 8, and the heat exchange coil 2 is connected with the water storage tank 8 through a pipeline.
The specific working process of the heating ventilation air conditioning energy-saving ventilation system is as follows:
at normal during operation, solar panel 7 absorbs the heat of solar energy to in giving storage water tank 8 with the heat, in this embodiment, still be provided with the water pump on heat exchange coil 2, the water pump is carried the water in the storage water tank 8 to heat exchange coil 2 in, and the water in the heat exchange coil 2 carries out the heat transfer with the air in the ventilation pipe 1, thereby reaches the effect that promotes air temperature in the ventilation pipe 1, and at this moment, thermistor 3 in the ventilation pipe 1 is along with air temperature's rising and resistance value grow, and the voltage value at thermistor 3 both ends also increases like this. At this time, the voltage value at the two ends of the thermistor 3 is greater than the voltage value at the two ends of the zener diode 14, that is, the voltage value at the inverting input terminal 15 is greater than the voltage value at the non-inverting input terminal 16, so that the comparison output terminal 18 outputs a low level signal, the low level signal cannot drive the triode 20 to be conducted, the control relay 23 is not powered, and the electric heating tube 4 is in a power-off and non-working state.
In rainy days, the water storage tank 8 is not enough to absorb heat from the solar heat collecting plate 7, so that the temperature of the air in the ventilation pipe 1 is reduced, and after the temperature of the air is reduced, the resistance value of the thermistor 3 becomes small, the voltage across the thermistor 3 is further reduced, when the voltage across the thermistor 3 is smaller than the voltage across the zener diode 14, at this time, the voltage value at the non-inverting input terminal 16 is larger than the voltage value at the inverting input terminal 15, so that the comparison output terminal 18 outputs a high level signal, the high level signal drives the transistor 20 to conduct, and after the transistor 20 is driven to conduct, the relay coil 22 is electrified, the common terminal g of the attraction relay is switched to the normally open contact k of the relay, therefore, the electric heating pipe 4 is powered on, the electric heat collecting pipe 4 starts to heat water in the water storage tank 8 after being powered on, and the heated water is subjected to heat exchange with air in the ventilation pipe 1 through the heat exchange coil 2.
The technical means disclosed in the utility model scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and such improvements and modifications are also considered to be within the scope of the present invention.
Claims (8)
1. The utility model provides a heating ventilating and air conditioning energy-saving ventilation system, includes ventilation pipe (1), its characterized in that: the solar heat collector is characterized in that a thermistor (3) and a heat exchange coil (2) are arranged in the ventilation pipe (1), solar heat collectors (6) are arranged at two ends of the heat exchange coil (2), heating pipes (4) are arranged in the solar heat collectors (6), the heat exchange coil (2) is connected with the solar heat collectors (6) through pipelines, a control switching circuit is further arranged outside the ventilation pipe (1), and the thermistor (3) and the heating pipes (4) are both electrically connected with the control switching circuit.
2. The heating, ventilating, air-conditioning, energy-saving and ventilating system according to claim 1, wherein: the control switching circuit comprises a voltage comparator (17), a first voltage acquisition circuit (9), a second voltage acquisition circuit (12), an output drive circuit and a power supply circuit, wherein the voltage comparator (17) comprises a positive phase input end (16), a negative phase input end (15) and a comparison output end (18), the first voltage acquisition circuit (9) is electrically connected with the negative phase input end (15), the second voltage acquisition circuit (12) is electrically connected with the positive phase input end (16), the comparison output end (18) is electrically connected with the output drive circuit, and the output drive circuit, the first voltage acquisition circuit (9) and the second voltage acquisition circuit (12) are electrically connected with the power supply circuit.
3. The heating, ventilating, air-conditioning, energy-saving and ventilating system according to claim 2, wherein: the power supply circuit comprises a solar cell panel (5) and a storage battery (11), wherein the solar cell panel (5) is electrically connected with the storage battery (11).
4. The heating, ventilating, air-conditioning, energy-saving and ventilating system according to claim 3, wherein: first voltage acquisition circuit (9) are including first current-limiting resistor (10) and thermistor (3), first current-limiting resistor (10) one end is connected with the positive pole electricity of battery (11), the other end and the thermistor (3) electricity of first current-limiting resistor (10) are connected, the one end of thermistor (3) with inverting input end (15) electricity is connected, the other end and the negative pole electricity of battery (11) of thermistor (3) are connected.
5. The heating, ventilating, air-conditioning, energy-saving and ventilating system according to claim 3, wherein: the second voltage acquisition circuit (12) comprises a second current-limiting resistor (13) and a voltage stabilizing diode (14), one end of the second current-limiting resistor (13) is electrically connected with the positive electrode of the storage battery (11), the other end of the second current-limiting resistor (13) is electrically connected with the voltage stabilizing diode (14), one end of the voltage stabilizing diode (14) is electrically connected with the positive phase input end (16), and the other end of the voltage stabilizing diode (14) is electrically connected with the negative electrode of the storage battery (11).
6. The heating, ventilating, air-conditioning, energy-saving and ventilating system according to claim 3, wherein: the output driving circuit comprises a third current-limiting resistor (19), a fourth current-limiting resistor (21), a driving triode (20) and a control relay (23), wherein a base (b), a collector (c) and an emitter (e) are arranged on the driving triode (20), the base (b) of the triode is electrically connected with the comparison output end (18) through the third current-limiting resistor (19), the collector (c) of the triode is electrically connected with the anode of the storage battery (11) through the fourth current-limiting resistor (21), and the emitter (e) of the triode is electrically connected with the cathode of the storage battery (11).
7. The heating, ventilating, air-conditioning, energy-saving and ventilating system according to claim 6, wherein: control relay (23) include relay coil (22), relay normally open contact (k), relay common terminal (g), relay coil (22) one end with the collecting electrode (c) electricity of triode is connected, and the other end of relay coil (22) is connected with projecting pole (e) electricity of triode, relay normally open contact (k) are connected with the commercial power electricity, relay common terminal (g) with heating pipe (4) electricity is connected.
8. The heating, ventilating, air-conditioning, energy-saving and ventilating system according to claim 1, wherein: the solar heat collector (6) comprises a solar heat collecting plate (7) and a water storage tank (8), the solar heat collecting plate (7) is arranged on the water storage tank (8), an electric heating pipe (4) is fixed in the water storage tank (8), and the heat exchange coil (2) is connected with the water storage tank (8) through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121611010.0U CN215723701U (en) | 2021-07-15 | 2021-07-15 | Energy-saving ventilation system of heating ventilation air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121611010.0U CN215723701U (en) | 2021-07-15 | 2021-07-15 | Energy-saving ventilation system of heating ventilation air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215723701U true CN215723701U (en) | 2022-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121611010.0U Active CN215723701U (en) | 2021-07-15 | 2021-07-15 | Energy-saving ventilation system of heating ventilation air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215723701U (en) |
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2021
- 2021-07-15 CN CN202121611010.0U patent/CN215723701U/en active Active
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